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151525025 = 526061001
BaseRepresentation
bin10010000100000…
…01011010100001
3101120010021020222
421002001122201
5302242300100
623011412425
73516640631
oct1102013241
9346107228
10151525025
1178593aa3
12428b4115
13255140a2
14161a46c1
15d481485
hex90816a1

151525025 has 6 divisors (see below), whose sum is σ = 187891062. Its totient is φ = 121220000.

The previous prime is 151525013. The next prime is 151525061. The reversal of 151525025 is 520525151.

It can be written as a sum of positive squares in 3 ways, for example, as 18284176 + 133240849 = 4276^2 + 11543^2 .

It is not a de Polignac number, because 151525025 - 24 = 151525009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151524985 and 151525003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3030476 + ... + 3030525.

It is an arithmetic number, because the mean of its divisors is an integer number (31315177).

Almost surely, 2151525025 is an apocalyptic number.

It is an amenable number.

151525025 is a deficient number, since it is larger than the sum of its proper divisors (36366037).

151525025 is an equidigital number, since it uses as much as digits as its factorization.

151525025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061011 (or 6061006 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 151525025 is about 12309.5501542502. The cubic root of 151525025 is about 533.1238619665.

The spelling of 151525025 in words is "one hundred fifty-one million, five hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 6061001 30305005 151525025